Home / 1,718,096.79-2,577,705.72-819,421.80

Finding the Fourth Proportional to 1,718,096.79, 2,577,705.72 and 819,421.80

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Solution

The fourth proportional to 1,718,096.79, 2,577,705.72 and 819,421.80 is: 1,229,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,096.79 : 2,577,705.72 = 819,421.80 : x
  2. Step 2: Convert to fraction form
    1,718,096.79/2,577,705.72 = 819,421.80/x
  3. Step 3: Cross multiply
    1,718,096.79x = 2,577,705.72 × 819,421.80
  4. Step 4: Simplify right side
    1,718,096.79x = 2,112,228,260,952.70
  5. Step 5: Solve for x
    x = 2,112,228,260,952.70/1,718,096.79
  6. Step 6: Final answer
    x = 1,229,400.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.